Services

Located in West Michigan, Merchant Automotive has been a trusted leader in Duramax diesel engine repairs, Allison transmission services, and emissions system solutions for over 20 years, proudly serving customers nationwide. Our certified skilled technicians specialize in everything from routine maintenance and diagnostics to full engine rebuilds, transmission overhauls, and emissions system repairs or upgrades, ensuring your Duramax-powered vehicle delivers maximum performance, reliability, and efficiency. Using advanced tools and OEM or performance-grade parts, we provide solutions tailored to enhance power, durability, and emissions performance. In addition to our expert services, we manufacture our own high-quality, precision-engineered parts for Duramax vehicles, designed to meet the toughest demands. Whether you're local or across the country, trust Merchant Automotive to keep your Duramax running strong and clean for the miles ahead.